Bond Minicar This model is the world's cheapest and most economical family car. Giving over 100 miles to the gallon, the Bond Minicar cruises at 35-40 miles an hour, and has a maximum of 45. It is powered with a single cylinder two stroke engine of 122cc. Constructed chiefly of light alloys, the total weight of the car is only 310lbs. Accommodation is ample for 2 adults and a child, with a large luggage boot at the rear.